Australia used to have state-based emissions trading schemes, before they were ditched in favour of the now-abandoned national one. State premiers might say there's no way to resurrect them, but there is.

Emissions fell by six times the rate in the five years before the carbon tax than they did under the carbon tax. – Environment minister Greg Hunt, The Guardian, January 17, 2015. Australia’s total greenhouse…

A carbon tax could help lighten the flow out of these stacks.
ShutterstockJanuary 15, 2015

For most of the world’s large economies, the sharp decline in oil and energy prices is great news. Cheaper energy will help boost economic growth and is especially welcome for lower- and middle-income…

You didn’t need a onesie to get hot under the collar about sharks in 2014.
AAP Image/Theron KirkmanDecember 29, 2014

Want a single word to sum up environmental affairs in 2014? Let’s go with “heated”. The year began with the realisation that 2013 was Australia’s hottest ever (and yes, it’s because of us), and ended with…